Download Behavioral Lateralization in Vertebrates: Two Sides of the by Davide Csermely (auth.), Davide Csermely, Lucia Regolin PDF

By Davide Csermely (auth.), Davide Csermely, Lucia Regolin (eds.)

Functional lateralization within the human mind used to be first pointed out within the vintage observations by means of Broca within the 19th century. just one hundred years later, despite the fact that, study in this subject begun anew, gaining knowledge of that people proportion mind lateralization not just with different mammals, yet with different vertebrates or even invertebrates. reviews on lateralization have additionally acquired enormous awareness in recent times because of their very important evolutionary implications, turning into a tremendous and flourishing box of research all over the world between ethnologists and psychologists.

The chapters of this publication main issue the emergence and adaptive functionality of lateralization in numerous features of habit for a variety of vertebrate taxa. those reviews span from how lateralization impacts a few features of health in fishes, or the way it impacts the predatory and the exploratory habit of lizards, to navigation within the homing flights of pigeons, social studying in chicks, the impression of lateralization at the ontogeny technique of chicks, and the similarity of handbook lateralization (handedness) among people and apes, our closest relatives.

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Additional info for Behavioral Lateralization in Vertebrates: Two Sides of the Same Coin

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We also simulated predatory attacks on lizards in their natural environment, in order to confirm results shown in the laboratory data with field observations (Martín et al. 2010). The experimenter startled lizards basking in their natural setting. When startled, the lizards escaped to the closest refuge, irrespective of 30 B. Bonati and D. Csermely Fig. 2 The open field apparatus used by Bonati et al. 2010 to analyse the escape behaviour (figure modified). a: angle made by lizards during the flight with respect to the central axis of the tunnel whether the direction of their flight was to the left or the right, and no significant preference was found.

1007/978-3-642-30203-9_3, Ó Springer-Verlag Berlin Heidelberg 2013 25 26 B. Bonati and D. Csermely Abbreviation LI Laterality Index 1 Introduction There has been serious interest in non-human animal lateralization for the last three decades at least, and this field is dominated by psychologists and biologists. e. lateralization is a plesiomorphic character (Vallortigara and Bisazza 2002). Moreover, recent evidence has revealed a variety of left–right asymmetries affecting routine behaviour in the natural and semi-natural environments of a range of species (Vallortigara and Rogers 2005; Ventolini et al.

1985; Andrew and Dharmaretnam 1993). In fact, biases in eye use are widespread, particularly among lateral-eyed animals (Vallortigara et al. 1999). Lizards are a very good model for studying lateralization, thanks to the structural characteristics of their brain. The absence of a corpus callosum, which facilitates the connection and communication between the hemispheres, and the lateral position of their eyes, that minimises their binocular vision, make the left and the right hemispheres essentially independent of each other (Deckel 1995).

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